Weather forecast for 10 days
Castro Valley, CA

Weather forecast for the weekend

Sunday, May 4.

Partly Cloudy
6:07 am

8:02 pm
PDT
Partly Cloudy
72°F / 54°F
  • Wind: 12mph W
  • Humidity: 58%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 8
Today, on Sunday, May 4, moments of sunshine will break through the patchy clouds.
Temperatures will oscillate between an agreeable 71.6°F at their highest and a cool 53.6°F at their lowest.
Expect the maximum temperature to remain consistent with the typical May high of 70.3°F.
Sunrise will be at 6:07 am and sunset at 8:02 pm; the daylight will last for 13h and 56min.

Frequently asked questions

What is the weather forecast for Castro Valley for the next ten days?
In Castro Valley, a combination of cloud-filled and sunny weather is forecasted for the next ten days.
How warm will it be in the next ten days?
The maximum temperature will range between 68°F and 82.4°F, while the minimum temperature will be between 51.8°F and 55.4°F.
What will be the warmest and the coldest days in Castro Valley?
With a maximum temperature of 82.4°F, Monday and Saturday will be the warmest days. Wednesday will be the coldest day, with a maximum temperature of 68°F.

Long-term weather forecast

SunMay 4.
  • 72°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph W
  • Humidity: 58%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 6:07 am 8:02 pm PDT
MonMay 5.
  • 82°F
  • 52°F
Sunny
Sunny
  • Wind: 14mph N
  • Humidity: 26%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:06 am 8:03 pm PDT
TueMay 6.
  • 73°F
  • 54°F
Sunny
Sunny
  • Wind: 13mph WSW
  • Humidity: 53%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:05 am 8:04 pm PDT
WedMay 7.
  • 68°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph WSW
  • Humidity: 65%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:04 am 8:05 pm PDT
ThuMay 8.
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Humidity: 60%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:03 am 8:06 pm PDT
FriMay 9.
  • 81°F
  • 54°F
Sunny
Sunny
  • Wind: 11mph W
  • Humidity: 47%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:02 am 8:07 pm PDT
SatMay 10.
  • 82°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph W
  • Humidity: 45%
  • UV index: 9
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:01 am 8:08 pm PDT
SunMay 11.
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph W
  • Humidity: 49%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:00 am 8:09 pm PDT
MonMay 12.
  • 72°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph W
  • Humidity: 50%
  • UV index: 9
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:59 am 8:10 pm PDT
TueMay 13.
  • 72°F
  • 52°F
Sunny
Sunny
  • Wind: 13mph W
  • Humidity: 51%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:58 am 8:11 pm PDT
In the days ahead, a combination of cloudy and sunny weather is expected.
Rainfall is not anticipated in Castro Valley in the upcoming days.
Expect a substantial fluctuation in daytime highs across the forecast period. Highs will range from 68°F to 82.4°F, while the overnight low will be nearly unchanged, as night temperatures will lie between 51.8°F and 55.4°F.
The warmest days in Castro Valley will be Monday and Saturday, with a maximum of 82.4°F; with the highest temperature of 68°F, Wednesday will be the coldest day.
Updated: May 4, 2025 @ 12:45:34 UTC
Published by: Weather U.S. | About Us
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